package com.wanxi.step07test.dto;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 当访问接口没有权限时，自定义的返回结果
 */

@Component
public class RestfulAccessDeniedHandler implements AccessDeniedHandler {
    @Autowired
    ObjectMapper objectMapper;
    @Override
    public void handle(HttpServletRequest request,
                       HttpServletResponse response,
                       AccessDeniedException e) throws IOException, ServletException {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        String jsonString = objectMapper.writeValueAsString(CommonResult.forbidden(e.getMessage()));
//        String jsonString = objectMapper.writeValueAsString(ResultDTO.builder()
//                .code(0)
//                .msg("未授权")
//                .data(e.getMessage())
//                .build());
        response.getWriter().println(jsonString);
        response.getWriter().flush();
    }
}